193551434641234 has 16 divisors (see below), whose sum is σ = 290792296343808. Its totient is φ = 96620683298832.

The previous prime is 193551434641099. The next prime is 193551434641261. The reversal of 193551434641234 is 432146434155391.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24014044 + ... + 31044760.

It is an arithmetic number, because the mean of its divisors is an integer number (18174518521488).

Almost surely, 2^{193551434641234} is an apocalyptic number.

193551434641234 is a deficient number, since it is larger than the sum of its proper divisors (97240861702574).

193551434641234 is a wasteful number, since it uses less digits than its factorization.

193551434641234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052769.

The product of its digits is 18662400, while the sum is 55.

The spelling of 193551434641234 in words is "one hundred ninety-three trillion, five hundred fifty-one billion, four hundred thirty-four million, six hundred forty-one thousand, two hundred thirty-four".